Even while you're an undergraduate student, expanding your network of contacts within your target career field will help you make your way after graduation. A few ideas on how to build a professional network:

Get to know your professors. With their years of experience, they know many people in their fields that may be able to help establish your career.

Attend extracurricular lectures and seminars and introduce yourself to speakers. Department seminars are a good place to start, but watch for college-wide lectures like those offered in The January Series